Collaroy vs Collaroy Plateau, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Collaroy and Collaroy Plateau are both Northern Beaches rates (OLG suburbs, sitting 16.9 km and 17 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Collaroy Plateau runs $980 a year cheaper than Collaroy, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $11,234.
Over 10 years the gap between these two is about $11,200, about $22 a week, and most of it is the AI-estimated insurance line.
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Collaroy Plateau
Annual cost breakdown
| Category | Collaroy | Collaroy Plateau | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,766 | $1,766 | - |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $4,658 | $4,678 | -$20 |
| Commute (public transport) Modelled, 2026-27 | $2,386 | $2,386 | - |
| Home insurance Estimated | $2,350 | $1,350 | +$1,000 |
| Body corporate (unit) Estimated | $2,300 | $2,300 | - |
| Total (driving) | $10,322 | $9,342 | +$980 |
| Total (public transport) | $8,050 | $7,050 | +$1,000 |
Totals exclude electricity, estimated separately below. Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance estimated from ACCC premium rates; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Collaroy | Collaroy Plateau | Difference |
|---|---|---|---|
| House | $2,342 | $2,342 | - |
| Unit | $1,909 | $1,909 | - |
Estimated from AER residential benchmarks for each suburb's climate zone at 2026-27 regulated prices for each suburb's electricity network, including supply charge (AER Default Market Offer caps, or the QCA price in regional Queensland; unit ≈ 75% of a house). Get the free report for a breakdown by your exact number of occupants.
Cost breakdown chart
Annual cost breakdown, Collaroy vs Collaroy Plateau (2026-27)
What the numbers show
Collaroy and Collaroy Plateau differ by $980 a year by car, but $1,000 of that is the building insurance estimate rather than a published figure. On the sourced costs, council rates, water and the commute, the gap is $20, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $1,000 per year. Collaroy carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $1,000 per year, $8,050 from Collaroy versus $7,050 from Collaroy Plateau.
Where the difference actually comes from
- Council rates is identical at $1,766 a year.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Collaroy by $20 a year, $4,658 against $4,678.
- Building insurance favours Collaroy Plateau by $1,000 a year, $1,350 against $2,350.
Both suburbs sit in the same council area, so the rates line is identical and none of the difference between them comes from council. What separates them is commute distance and the insurance band.
Flood risk is rated high in Collaroy against low in Collaroy Plateau, which feeds the insurance estimate. Fire risk is rated medium in Collaroy against low in Collaroy Plateau, which feeds the insurance estimate.
10-year cumulative cost projection
| Year | Collaroy cumulative | Collaroy Plateau cumulative | Difference |
|---|---|---|---|
| Year 1 | $10,322 | $9,342 | $980 |
| Year 3 | $31,904 | $28,875 | $3,029 |
| Year 5 | $54,801 | $49,598 | $5,203 |
| Year 10 | $118,330 | $107,096 | $11,234 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Collaroy or Collaroy Plateau cheaper to live in?
Neither is named cheaper. Collaroy runs $10,322 a year by car and Collaroy Plateau $9,342, but most of the $980 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $20. Source: SuburbCost 2026 data.
What are council rates in Collaroy and Collaroy Plateau?
Annual council rates for a house are $1,766 in Collaroy (Northern Beaches rates (OLG) and $1,766 in Collaroy Plateau (Northern Beaches rates (OLG). Water and sewerage adds $1,548 in Collaroy and $1,548 in Collaroy Plateau. Both figures are the average residential rate reported to the Office of Local Government, uplifted by each council's IPART rate peg.
How does the commute cost compare between Collaroy and Collaroy Plateau?
Annual driving commute costs are $4,658 from Collaroy and $4,678 from Collaroy Plateau to Sydney CBD (ATO 91c/km). Public transport costs $2,386 from Collaroy and $2,386 from Collaroy Plateau.
What is the 10-year cost difference between Collaroy and Collaroy Plateau?
At 3% annual cost growth, Collaroy costs a cumulative $118,330 and Collaroy Plateau costs $107,096 over 10 years by car. The cumulative difference is $11,234 in favour of Collaroy Plateau. Excludes purchase price, mortgage, and personal expenses.
Which of Collaroy and Collaroy Plateau suits you better?
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Sources: Northern Beaches rates (OLG and Northern Beaches rates (OLG rate data, water utility pricing (QLD: Queensland Urban Utilities / Unitywater; NSW: Sydney Water / Hunter Water), ATO 91c/km, and SuburbCost insurance estimates from ACCC premium rates. Data updated July 2026.